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-rw-r--r--fs/f2fs/f2fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index fc90e5317159..cca46e0ff2e4 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -887,6 +887,9 @@ struct f2fs_sb_info {
/* # of allocated blocks */
struct percpu_counter alloc_valid_block_count;
+ /* writeback control */
+ atomic_t wb_sync_req; /* count # of WB_SYNC threads */
+
/* valid inode count */
struct percpu_counter total_valid_inode_count;